I don't work for Microsoft...
...But DPM Server is probably one of the best products that Microsoft have produced that they don't seem to want to sell.
We've been using it for just under 2 years and it has made data backup and recovery so easy - even for our remote sites. Far better than any other backup system that I've tried (and I've used more than a couple of them over the years). It is such a good product, I simply don't understand why they don't promote it more.
I know that there are lots of SMEs out there that would use it if they only knew about it. The off site storage option just makes it even more attractive.